[jira] [Created] (PROTON-1615) c++: container leaks if exception thrown by handler.

["Alan Conway (JIRA)" <ji...@apache.org>]

Alan Conway created PROTON-1615:
-----------------------------------

             Summary: c++: container leaks if exception thrown by handler.
                 Key: PROTON-1615
                 URL: https://issues.apache.org/jira/browse/PROTON-1615
             Project: Qpid Proton
          Issue Type: Bug
            Reporter: Alan Conway
             Fix For: proton-c-0.19.0


An exception throw by a handler is re-thrown out of container.run() as expected, however
the container does not shut down cleanly and many leaks are reported by valgrind or asan. The container should be exception-safe.

To demonstrate the problem apply this small patch to the helloworld_direct example.

examples/cpp/helloworld_direct.cpp | 1 +

modified   examples/cpp/helloworld_direct.cpp
@@ -53,6 +53,7 @@ class hello_world_direct : public proton::messaging_handler {
 
     // Receive one message and stop listener
     void on_message(proton::delivery &, proton::message &m) OVERRIDE {
+        throw std::runtime_error("thrown from on_message");
         std::cout << m.body() << std::endl;
         listener.stop();
     }




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